Coin holder



FIG. 1 is a perspective view of a coin holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view, the opposite side being substantially a mirror image; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a coin holder, substantially as shown and described. 